Furnace door



.June 26, 1923.

P. G. WALL FURNAGE DooR Filed June l2. 1922 Q zwi L r 14%! dI 3 M 3 15 o o o o o o o o o o v o o o dao 00000A k WITNESS:

Fatented lune 26, 1923..

naar Nn traitesN ronzrnn er. WALL, or ARARAT, Nonnen." CAROLINA.v

FRNACE DOOR.

Application filed .Tune 12,

To @ZZ iii/wm t may concer/n. i

Be it known that l', Pon'rnn G. l/VALL, a" citizen of the United States, residing at irarat, in the county of Surry and State of `North Carolina, have invented new and useful Improvements in Furnace Doors, of which the following is a specification.

This invention relates to a door for a furnace used in tobacco barns, the general ob ject of the invention being to provide a. sliding door which may he vopened-to any desired extent. to control the draft to the furnace.

This invention also consists in certain other features of construction andin the combination and arrangei'nentof the several parts, to he hereinafte fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claim. i i

ln describing my invention .indetaih reference Will he had to the accompanying i drawings wherein like characters denote like or correspondingl parts throughout the several views, and in Whirhzi l41 igure l is a fragmentary side vieiv of a furnace 'Wit-h my door thereon.

Figure 2 is a longitudinal sectionalvievv through Figure l.

Figure 2 is a detail view of the latch means with parts in section.

Fioure 4l; is a fragmentary rear vienT of the frame. i

ln these views l indicates the furnace and 2 indicates the door frame which is attached to the front end of the frame. This frame consists of the upright pieces 3 which are provided with the Lgrooves 1l to receive the edges of the door Each upright piece is provided with a hase G, the outer end of which is connected with the upright piece hy the hrace 7. A rod S is attached to the top of the frame. said rod lining provided with notches 9 for receiving the end of a latch l() which is carried by a projection ll on the top of the door. This .latch is provided ivith a handle l2r so that it can loe moved into and` out of engagement with the notches in the rod. By this means the without renewal of the `fu 1922. Serial No. 567,715.

door can he opened to difi'erei'it degrees so to regulate the draft passing through the door opening. rlhe door can be entirely closed'and the draft will he cut olf, thus holding the tire and preventing sparks from escaping from the furnace.

This door will control the heating of the learn by the furnace, will prevent back-firing and acts to hold the ire 'for a long time el when said door is closed. i

The rear part of the frame is provided with recesses 3 for holding mortar orthe like and the frame is supported hy means of the rods 13 `which are adapted to he ldriven into the ground and which pass through holes in the brackets la and in the bases 6. A cotter pin l5 or the like passes through eachrod and engages the under i face of eaeh bracket la so as to form a rest on the rod for the frame.

lt is thought from the foregoing description that the advantages and novel features of my invention Will be readily apparent.

l desire it to lie understood vthat I may make changes in theconstruction and in the combination and arrangement of the several parts, provided that such changes fall `yvithin the scope of t-he appended claim.

What l claim is A. door for a furnace comprisingv a frame `a bracket at each side of the frame adjacent the upper end there f, a rod passing through the bracket and the hole in each hase mem` "her and `adapted to have its end enter the ground to hold the frame in position and a projection on each rod for forming a rest for each bracket. l v

In testimony whereof l aix my signature.

' roi-irse e. WALL. 

